Yes, it's not $130bn in a checking account. Inflation measurements vary, but I see recent figures of around 2% for the US. Here are the returns of short term go

Yes, it's not $130bn in a checking account. Inflation measurements vary, but I see recent figures of around 2% for the US. Here are the returns of short term government debt from the treasury: https://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/TextView.aspx?data=yield https://www.treasury.gov/resource-center/data-chart-center/i... I doubt that they're investing in any kind of aggressive higher yielding or longer duration bonds or Asset backed securities. So maybe the real yield is closer to -1% ? Studying the income and cash flow statement, we should be able to calculate their return on their "cash" position.